Lighting device



FIG. 1 is a front perspective view of a lighting device showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

The dashed broken lines in the Figures show unclaimed portions of the lighting device. The dashed-dotted broken lines in the Figures show unclaimed boundaries between the claim and unclaimed portions of the lighting device. The oblique line shading in FIGS. 1 and 2 shows translucent or transparent materials. 

CLAIM The ornamental design for a lighting device, as shown and described. 